Difference Between Downspout A Elbows & B Elbows

Downspout elbows are the pieces of downspout that curve to make return arms and kick-outs. Elbows come in two types, A and B.

A Elbow

A Elbows face forward from the downspout

Example of a downspout "A" elbow

B Elbow

B Elbows face sideways from the downspout

Example of a downspout "B" elbow